2,4-pentanedione-1-sulfonic acid and method for preparing the sa

Details 2,4-pentanedione-1-sulfonic acid and method for preparing the sa 2,4-pentanedione-1-sulfonic acid and method for preparing the sa

1989-09-28

1991-06-18

Siegel, D. Alan

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfonic acids or salts thereof

502168, C07C30300, B01J 3100

Patent

active

050251040

ABSTRACT:
2,4-pentanedionemonosulfonic acid is prepared by reacting chlorosulfonic acid with 2,4-pentanedione, preferably in the presence of an anhydrous solvent. The method of this invention generally yields 2,4-pentanedionemonosulfonic acid in excess of about 75 percent. The noval pentanedionesulfonic acid 2,4-pentanedionemonosulfonic acid(acetylacetone sulfonic acid) is disclosed.

REFERENCES:
patent: 2195088 (1940-03-01), Keppler
patent: 2308841 (1943-01-01), Werntz

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